Platelets, also called thrombocytes, are the smallest cell type in the blood. Other major blood components include plasma, white blood cells, and red blood cells. The primary function of platelets is to aid in the blood clotting process. When activated, these cells adhere to one another to block the flow of blood from damaged blood vessels.
Federal Direct Unsubsidized Loan. A Federal Direct Unsubsidized Loan is a non-need based, low-interest loan with flexible repayment options. It is available to both undergraduate and graduate students.
Hereâs a quick overview of Direct Unsubsidized Loans: 1  Direct Unsubsidized Loans are available to undergraduate and graduate students; there is no requirement to demonstrate financial need. 2  Your school determines the amount you can borrow based on your cost of attendance and other financial aid you receive.